The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 16, 1976
Filed:
Jun. 20, 1974
Applicant:
Inventors:
Richard Sommer, Leverkusen, DT;
Wolfgang Haebler, Odenthal, DT;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ;
U.S. Cl.
CPC ...
8 41 / ; 8 82 ; 8 94 / ; 8162 / ; 8179 ;
Abstract
Exhaust process for the dyeing of synthetic fiber materials from organic water-immiscible solvents wherein are used as dyestuffs dis- and trisazo dyestuffs which contain at least 2 hydroxyl groups and which are free from sulfonic acid and carboxyl groups and which correspond to the formula